diatomaceous earth


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di·a·to·ma·ceous earth

a powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.

di·a·to·ma·ceous earth

(dī'ă-tŏ-mā'shē-ŭs ĕrth)
A powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.

diatomaceous earth

Silica containing fossilized shells of microscopic algae with a siliceous or calcium-containing cell wall. It is used in insulating material and filters and as an absorbent. Synonym: diatomite

earth

1. soil; softer part of the land, as distinct from rock.
2. metallic oxides in the form of unchangeable powder.

diatomaceous earth
a fine white powder composed of the siliceous skeletons of diatoms; used in treating diarrhea and as a feed additive. Called also infusorial earth, purified siliceous earth.
infusorial earth
see diatomaceous earth (above).
siliceous earth
see diatomaceous earth (above).
References in periodicals archive ?
In areas that are difficult to heat to temperatures lethal to insects, an application of diatomaceous earth could be valuable.
Punctured fruit and total damage were 3-fold greater in untreated fruit compared to fruit treated with either diatomaceous earth, kaolin clay, or Requiem ([[chi].
In the current study Protect-It[TM] (Hedley Technologies Inc, USA), and inert dust formulation containing 90% diatomaceous earth (DE) and 10% silica gel was tested for effectiveness to control T.
The filter uses only 4 lb (about $1 worth) of diatomaceous earth per charge.
EP Minerals started operations in Nevada in 1945 and has grown to become a worldwide leader in diatomaceous earth (DE) filter aids, functional additives and absorbents.
Jacobacci, Rio Negro, particle size < 500 ]a) or diatomaceous earth (Celite[R] 503, World Minerals, Celite Corporation), at either a high humidity of 75% RH [+ or -] 2 (using a saturated solution of sodium chloride; Winston & Bates 1960), or ambient humidity of 39.
The study 'Diatomaceous earth (CAS 61790-53-2) Market Research Report 2009' presents an overview of the Diatomaceous earth market globally and regionally by contemplating and analyzing its parameters.
Dicalite diatomaceous earth fillers used primarily in antiblocking of PE films help reduce weight, increase impact resistance through nondirectional reinforcement, and give dimensional stability.
Body Beautiful exfoliates, cleanses, and moistures with citrus oils, diatomaceous earth, vitamins A and E and aloe.
2]; a is from zero to three; n is an integer from one to 12; and b is an integer from one to six; a condensation catalyst; a solvent selected from the group consisting of an alcohol, an ether, an ester, a hydrocarbon and water; and a filler selected from the group consisting of silicone resins, silica, magnesium oxide, clay, diatomaceous earth, calcium carbonate, finely ground quartz and layered silicates.
The answer has been around for 20 million years: diatomaceous earth (DE).
For several years, the tire industry has been using various hard-to-handle liquids that are blended onto high surface area carriers, such as precipitated silicas or diatomaceous earth calcium silicate, to form an easier-handling, dry-liquid concentrate.